The most populated Zip Code in Emmet County, Iowa is 51334, located in Estherville. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
|---|---|---|
| 51334 | Estherville | 6,992 |
| 50514 | Armstrong | 1,089 |
| 50578 | Ringsted | 687 |
| 51365 | Wallingford | 423 |
| 50531 | Dolliver | 232 |